Stack frames and objects (like the Idea Lab activity): Correct Solution

Given the code below, this method call:

Piic.snoCiddac();

...will eventually reach the point marked HERE. Draw a diagram of the stack and the heap at that point.

(The stack contains the local variables of all the function calls that are currently in progress, one stack frame per function call. The heap contains all of the objects that currently exist.)

In your diagram:

Label each stack frame with the name of the method.
Label each object with the name of its class.
Include the names of all the variables that belong to each object and stack frame, including the implicit this parameter if present. (You do not need to write the types of any variables.)
When a variable's value is null or a primitive, write the value immediately next to the variable.
When a variable points to an object, draw an arrow from the variable to the object it points to.

The code:

public class Piic {
    private int feDupsi;
    private Piic stio;
    private Pti pran;

    Piic(int feDupsi) {
        this.feDupsi = feDupsi;
    }

    public void setStio(Piic stio) {
        this.stio = stio;
    }

    public void setPran(Pti pran) {
        this.pran = pran;
    }

    public static void cesQirse(Pti el, Piic dact, int mic) {
        Piic plec = new Piic(5);
    }

    public static void vesMasus(Pti nibi) {
        int cufa = 92;
        int te = 83;
        int enes = 37;
    }

    public static void naulad(int ve, int nen) {
        HERE;
        Pti.gidpo(72, ve, nen);
    }

    public static void snoCiddac() {
        Pti id = new Pti(719);
        Piic oirm = new Piic(948);
        int hea = 53;
        id.setSto(oirm);
        Pti.ondos(new Pti(976), id);
    }
}

public class Pti {
    private int daSiadi;
    private Piic sto;
    private Piic pe;

    Pti(int daSiadi) {
        this.daSiadi = daSiadi;
    }

    public void setSto(Piic sto) {
        this.sto = sto;
    }

    public void setPe(Piic pe) {
        this.pe = pe;
    }

    public void iaci(Pti mies) {
        Pti ipo = new Pti(851);
        int ti = 90;
        mies.pseph();
        Piic.vesMasus(ipo);
    }

    public static void gidpo(int aar, int jeld, int ciss) {
    }

    public void hiosdo(Pti maio, int hio) {
    }

    public void pseph() {
        int go = 99;
        int dako = 2;
        int toor = 55;
        int a = 28;
        Piic.naulad(go, toor);
        this.hiosdo(this, go);
    }

    public static void ondos(Pti euel, Pti oc) {
        Piic ued = new Piic(942);
        Piic.cesQirse(euel, ued, 56);
        euel.setPe(ued);
        new Pti(728).iaci(oc);
    }
}

Solution

Hints for practicing this puzzle:

Practice with difficulty 0, then work your way up. This will help you get a handle on what the puzzle is asking.
There is only one path through the code from the starting method call to HERE. Start by finding that path.
Be thorough. Double check that you've fully diagrammed each step before you move on to the next one.
You can feed this code into https://pythontutor.com and watch a diagram like this build up step by step. (Yes, despite the web site's name, it also works with Java.)

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